I wanted an edit icon on my views edit node links. Using the views field template I added the following to the template file: views-view-field--edit-node.tpl.php
<?php
$output = preg_replace(
'#(<a[^>]*>)[^<]*(</a>)#',
"$1". theme_image(path_to_theme(). '/images/icons/edit.png') ."$2",
$output
);
print $output;
?>
Now all my views have a nice edit icon for each node row. The image: 
And to go one step further, display the edit icon only when hovering the row this is added to the css.